Nicolas Castin

How precisely are solute clusters in RPV steels characterized by atom probe experiments?

Nicolas Castin, Przemysław Klupś, M.J. Konstantinović, G. Bonny et autres

Atom probe tomography (APT) is a powerful microscopy technique to characterize nano-sized clusters of the alloying elements in the bulk of reactor pressure vessel (RPV) steels. These clusters are known to dominantly determine the evolution of mechanical properties under irradiation. The results …

The strong hardening effect of Re segregation on edge dislocation lines in W

M.I. Pascuet, J.R. Fernández, Nicolas Castin, G. Bonny

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Fusion-dedicated material irradiation facilities at MYRRHA: Conceptual design and damage equivalence studies

Dmitry A. Terentyev, Willem Leysen, Nicolas Castin, Chih-Cheng Chang et autres

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On the microstructure evolution in tungsten ITER monoblocks: A computational study

Nicolas Castin, Sander Van den Kerkhof, G. Bonny, D. A. Terentyev

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Cu precipitation in electron-irradiated iron alloys for spent-fuel canisters

Qigui Yang, Zhongwen Chang, Luca Messina, Nils Sandberg et autres

In this work, the Cu clustering in Fe under irradiation is investigated using experiments, cluster dynamics and atomistic kinetic Monte Carlo (AKMC) simulations. In experiments, cast iron and model FeCu alloy samples were irradiated with 2 MeV electrons for 143 h at …

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On the equivalence of irradiation conditions on present and future facilities for fusion materials research and qualification: A computational study

Nicolas Castin, Dmitry A. Terentyev, Alexander Bakaev, G. Bonny

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Effect of radiation defects on the early stages of nanoindentation tests in bcc Fe and Fe-Cr alloys

Alexander Bakaev, Dmitry A. Terentyev, G. Bonny, Nicolas Castin et autres

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Physical mechanisms and parameters for models of microstructure evolution under irradiation in Fe alloys – Part I: Pure Fe

L. Malerba, N. Anento, J.P. Balbuena, C.S. Becquart et autres

This paper is the first of three that overview the main mechanisms that drive the microstructure evolution in Fe alloys under irradiation. It focuses on pure α-Fe and compiles the parameters that describe quantitatively the mobility and stability of point-defects and especially …

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Investigating the formation mechanism of void lattice in tungsten under neutron irradiation: from collision cascades to ordered nanovoids

Zhong-Zhu Li, Yu‐Hao Li, Dmitry A. Terentyev, Nicolas Castin et autres

cn, be, us (code pays fourni par la source)

Multiscale modelling for fusion and fission materials: The M4F project

L. Malerba, M.J. Caturla, E. Gaganidze, C. Kaden et autres

The M4F project brings together the fusion and fission materials communities working on the prediction of radiation damage production and evolution and their effects on the mechanical behaviour of irradiated ferritic/martensitic (F/M) steels. It is a multidisciplinary project in which several different …

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An object kinetic Monte Carlo method to model precipitation and segregation in alloys under irradiation

J.P. Balbuena, L. Malerba, Nicolas Castin, G. Bonny et autres

A method based on object kinetic Monte Carlo that can account for segregation and precipitation in metallic alloys in the presence of both vacancies and self-interstitials is presented. Here the model has been applied specifically to FeCr alloys, but could be used …

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Impact of interstitial impurities on the trapping of dislocation loops in tungsten

Alexander Bakaev, G. Bonny, Nicolas Castin, Dmitry A. Terentyev et autres

Ab initio simulations are employed to assess the interaction of typical interstitial impurities with self-interstitial atoms, dislocation loops and edge dislocation lines in tungsten. These impurities are present in commercial tungsten grades and are also created as a result of neutron transmutation …

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